diff options
| author | Miklos Szeredi <mszeredi@suse.cz> | 2014-07-23 17:15:32 +0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-08-07 22:40:09 +0400 |
| commit | 80ace85c915d0f41016f82917218997b72431258 (patch) | |
| tree | 59fa51e5968e831c5079a148f21f58b099fdb13b /fs/btrfs | |
| parent | a0dbc56610b3e157f19241404e738744b7e7877e (diff) | |
| download | linux-80ace85c915d0f41016f82917218997b72431258.tar.xz | |
btrfs: add RENAME_NOREPLACE
RENAME_NOREPLACE is trivial to implement for most filesystems: switch over
to ->rename2() and check for the supported flags. The rest is done by the
VFS.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: Chris Mason <clm@fb.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/inode.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 3668048e16f8..3183742d6f0d 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -8476,6 +8476,16 @@ out_notrans: return ret; } +static int btrfs_rename2(struct inode *old_dir, struct dentry *old_dentry, + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) +{ + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + + return btrfs_rename(old_dir, old_dentry, new_dir, new_dentry); +} + static void btrfs_run_delalloc_work(struct btrfs_work *work) { struct btrfs_delalloc_work *delalloc_work; @@ -9019,7 +9029,7 @@ static const struct inode_operations btrfs_dir_inode_operations = { .link = btrfs_link, .mkdir = btrfs_mkdir, .rmdir = btrfs_rmdir, - .rename = btrfs_rename, + .rename2 = btrfs_rename2, .symlink = btrfs_symlink, .setattr = btrfs_setattr, .mknod = btrfs_mknod, |